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Sagot :

Bonjour,

  (17×(10³)²×10 / (34×10⁹)

= (17×10³ˣ²×10¹) / (2×17×10⁹)

= (17×10³ˣ²⁺¹) / (2×17×10⁹)

= 10⁷ / (2×10⁹)

= (1×10⁷) / (2×10⁹)

= 1/2 × 10⁷⁻⁹

= 1/2 × 10⁻²

= 0,5 × 10⁻²

= 5 × 10⁻³

= 0,005

Bonjour voici les calculs
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